Page 143 - Screening for Cervical Cancer: Systematic Evidence Review
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Appendix C.  Evidence Tables



               Evidence Table 3A.  Performance of HPV Testing for Screening (cont'd)

                                                                                                Quality
                Patients & Methods  Outcomes Measured      Study Results & Limitations*     Considerations
               8554 women           cytology: Bethesda   Prevalence:                      Quality Score=9
               randomly selected in a  system            Negative=7564/8554=88.4%         Ref. Std: 2
               door-to door survey                       Equivocal=661/8554=7.7%          Blind: 0
                                    HPV: : high risk types  LG lesion=189/8554=2.2%       Verification: 2
                                    (16, 18, 31, 33, 35,   HG lesion=128/8554=1.5%        Consecutive: 2
                                    45, 51, 52, 56 and 58)  Cancer=12/8554=0.14%          Spectrum: 1
                                    vs. not                                               Publication: 1
                                                         Se (High risk HPV by HCT, HG+)=  Industry: 1
                                    histology :negative,   74.1%
                                    equivocal, low-grade  Sp (High risk HPV by HCT, HG+)=
                                    lesion, high-grade   93.4%
                                    lesion, cancer
                                                         Se (High risk HPV by HC II, HG+)=
                                                         88.4%
                                                         Sp (High risk HPV by HC II, HG+)=
                                                         89.0%

                                                         (more screening performance
                                                         results available for different
                                                         cutpoints of HPV positivity)





               466 women aged 25    HPV: high risk       Prevalence:                      Quality Score=9
               to 55 attending      subtypes (16, 18, 31,  Negative=350/466=75.1%         Ref. Std: 2
               primary care clinics   33, 35, 45, 51, 52, 56  LGSIL=60/466=12.9%          Blind: 2
                                    and 58) vs. not      HGSIL=56/466=12%                 Verification: 2
                                                                                          Consecutive: 0
                                    Biopsy/colposcopy:   for HIV+ women:                  Spectrum: 1
                                    Normal, low-grade    Se (High risk HPV, LGSIL+)= 85.9%  Publication: 1
                                    lesion, high-grade   Sp (High risk HPV, LGSIL+)= 47.0%  Industry: 1
                                    lesion, cancer
                                                         Se (High risk HPV, HGSIL)= 90.7%
                                                         Sp (High risk HPV, HGSIL )= 41.3%

                                                         for HIV- women:
                                                         Se (High risk HPV, LGSIL+)=45.2%
                                                         Sp (High risk HPV, LGSIL+)=75.3%

                                                         Se (High risk HPV, HGSIL)= 61.5%
                                                         Sp (High risk HPV, HGSIL )= 74.5%















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